Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE DISCLOSURES - Fair Value of Debt (Details)

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FAIR VALUE DISCLOSURES - Fair Value of Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Feb. 28, 2021
6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Stated interest rate 6.875%    
Senior Notes | 6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Stated interest rate 6.875%   6.875%
Unamortized debt issuance costs $ 5,500 $ 5,800  
Secured Debt | NatWest Debt      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Unamortized debt issuance costs 9,600 8,400  
Carrying Value      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 544,070 548,070  
Carrying Value | Senior Notes | 6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 394,539 394,184  
Carrying Value | Secured Debt | NatWest Debt      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 149,531 153,886  
Level 1 | Fair Value      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 0 0  
Level 1 | Fair Value | Senior Notes | 6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 0 0  
Level 1 | Fair Value | Secured Debt | NatWest Debt      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 0 0  
Level 2 | Fair Value      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 557,054 545,535  
Level 2 | Fair Value | Senior Notes | 6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 391,417 383,068  
Level 2 | Fair Value | Secured Debt | NatWest Debt      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 165,637 162,467  
Level 3 | Fair Value      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 0 0  
Level 3 | Fair Value | Senior Notes | 6.875% Senior Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value 0 0  
Level 3 | Fair Value | Secured Debt | NatWest Debt      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt, fair value $ 0 $ 0